DYNAPRO Resistance Bands- Mini Precision Loop Exercise Bands with E-Quickstart Workout Guide Perfect for Any Home Fitness Training Program 4-PIECE RESISTANCE BANDS give you a variety of resistance levels. Light, Medium, Heavy and X-Heavy loops with an E-Quickstart Workout Guide by Crush Personal Trainers will be emailed once the order ships. VERSATILE TRAINING TOOL for upper and lower body resistance training  ideal for lateral movement and shoulder stabilization exercises as well as leg extensions SNAP-RESISTANT and eco-friendly 100% natural rubber bands require no spotter. Perform horizontal chest press, biceps curls and overhead triceps extensions safely on your own, anytime and anywhere. COMPACT AND PORTABLE for use in your home gym, at the office and as you travel. Our 4-Piece Resistance Bands Set comes with a drawstring storage pouch for easy carrying in your briefcase or luggage. 1-YEAR MONEY-BACK GUARANTEE ensures your satisfaction. In the event that our Resistance Bands do not perform to your expectations, return them for a no-questions-asked 100% refund of your purchase price.